Parameters: Dimension: 88mm*26mm*21mm 62mm*15mm*10mm

Working voltage: DC3.3V

Static current: 12μA

Transmitter current：≤ 35mA

Wireless Frequency：two way 433MHz

Wireless distance：≤150m（LOS:Line of sight）

Working temperature：－10℃～55℃

Relative humidity：≤ 95% （Non-condensation）

Main function:

1.When emergency matter happen, press button to give an alarm;

2.Wireless encryption bidirection communication.

3.Working voltage lower than 2.2V, Low voltage alarm.